[UWP] Fix Input.Number validation logic to ensure value is a number - #4432

[UWP] Fix Input.Number validation logic to ensure value is a number#4432

Shalini Joshi (shalinijoshi19) merged 2 commits into

feature/inputEvolutionmicrosoft/AdaptiveCards:feature/inputEvolutionfrom

rebecch/numbervalidationfixmicrosoft/AdaptiveCards:rebecch/numbervalidationfixCopy head branch name to clipboard